Apple Tree Stems Splitting On Older Trees.
In the spring especially if we have a warm spring an apple tree will start to take up through the roots a large amount of water and in old trees this can cause cracking or splitting of the stems and branches.This is natural and there is not a great deal you can do about it,as the season gets under way the cracks and splits should close up.It used to be recommended that sealing the cracks or splits was a good course of action however these days it is understood that the sealing process can seal in bacteria and fungus spores infection the tree.